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Volume 9, Number 1—January 2003
Research

Texas Lifestyle Limits Transmission of Dengue Virus

Paul Reiter*Comments to Author , Sarah Lathrop*, Michel L. Bunning*, Brad J. Biggerstaff*, Daniel Singer*, Tejpratap Tiwari*, Laura Baber†, Manuel Amador*, Jaime Thirion‡, Jack Hayes§, Calixto Seca¶, Jorge Mendez‡, Bernardo Ramirez#, Jerome Robinson†, Julie Rawlings¶, Vance Vorndam*, Stephen Waterman*, Duane Gubler*, Gary Clark*, and Edward Hayes*
Author affiliations: *Centers for Disease Control and Prevention, Fort Collins, Colorado, USA; †City of Laredo Health Department, Laredo, Texas, USA; ‡Secretaria de Salud, Mexico City, Mexico; §University of Texas, Boerne, Texas, USA; ¶Texas Department of Health, Laredo, Texas, USA; #Secretaria de Salud de Tamaulipas, Nuevo Laredo, Tamaulipas, Mexico

Main Article

Table 4

Risk factors associated with anti-dengue IgG seropositivity in Nuevo Laredo/Laredo residents, by univariate analysis

Factor Prevalence ratio Mean value for IgG seropositive residents Mean value for IgG seronegative residents (95% confidence interval) or p value
No air-conditioning
 1.65
 —
 —
 (1.27 to 2.15)
No. occupants
 —
 4.7
 4.3
 p=0.05
Lot size (m2)
 —
 377
 395
 p=0.03
No. room air conditioners
 —
 0.4
 0.7
 p=0.002
Distance to neighbor (m) — 3.3 3.9 p=0.03

Main Article

1The investigation plan was reviewed by the Human Subjects Coordinator at the National Center for Infectious Diseases, Centers for Disease Control and Prevention, and determined to be a public health response that did not require further human subjects review. Blood samples were taken only from consenting adults.

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